Which of the Following Holds True with Regard to the Cardiovascular

Which of the following holds true with regard to the cardiovascular reactivity model?

A) The model shows that hostility can increase the likelihood of heart disease through at least two causal routes.
B) The model explains how the activation of the sympathetic nervous system creates a sustained physiological arousal.
C) The model shows how people who get angry always experience reduced cardiovascular reactivity.
D) The model shows a relationship between psychological processes and changes in immune function.